Name: Sadia Mahajabin
ID : 10.01.03.098
4th year 2nd Semester
Section : B
Department of Civil Engineering
Ahsanullah University of Science and Technology
good for engineering students
to get deep knowledge about design of singly reinforced beam by working stress method.
see and learn about rcc structure....................................................
Prepared by madam rafia firdous. She is a lecturer and instructor in subject of Plain and Reinforcement concrete at University of South Asia LAHORE,PAKISTAN.
Name: Sadia Mahajabin
ID : 10.01.03.098
4th year 2nd Semester
Section : B
Department of Civil Engineering
Ahsanullah University of Science and Technology
good for engineering students
to get deep knowledge about design of singly reinforced beam by working stress method.
see and learn about rcc structure....................................................
Prepared by madam rafia firdous. She is a lecturer and instructor in subject of Plain and Reinforcement concrete at University of South Asia LAHORE,PAKISTAN.
As-salamu alaykum
Welcome to the presentation on “T Beam Design: Singly & Doubly by USD method” Presented By -
S. M. Rahat Rahman
ID: 10.01.03.104
1.Contents :
USD (Ultimate Strength Design Method)
T-beam
T - Beam acts Like Singly Reinforced Beam
T – Action vs rectangular Action
Effective Flange width of t-beam
Strength analysis
Nominal moment for t section
2. USD : Based on the ultimate strength of the structure member assuming a failure condition , due to concrete crushing or yielding of steel. Although there is additional strength of steel after yielding (strain hardening zone) which will not be considered in the design.
Actual loads are multiplied by load factor to obtain the ultimate design loads. ACI code emphasizes this method.
3. T Beam : For monolithically casted slabs, a part of a slab act as a part of beam to resist longitudinal compressive force in the moment zone and form a T-Section. This section form the shape of a "T“ . It can resist the longitudinal compression
4. Occurrence and Configuration of T-Beams
• Common construction type
• The slab forms the beam flange, while the part of the beam projecting below the slab forms is what is called web or stem.
5. Singly Reinforced Reinforcement is provided in tension zone only
6. Doubly Reinforced > Concrete can not develop the required compressive force to resist the maximum bending moment
> Reinforcement is provided in both compression and tension zone.
7. T-Beam Act As a Singly Reinforced Beam
8. Continuous T Beam :
When T-shaped sections are subjected to negative bending moments, the flange is located in the tension zone. Since concrete strength in tension is usually neglected in strength design, the sections are treated as rectangular sections.
On the other hand, when sections are subjected to positive bending moments, the flange is located in the compression zone and the section is treated as a T-section.
9. Effective Flange Width
10. Strength analysis of T beam
11. Analysis of T beam
12. T Beam moment calculation
Prepared by madam rafia firdous. She is a lecturer and instructor in subject of Plain and Reinforcement concrete at University of South Asia LAHORE,PAKISTAN.
this slide will clear all the topics and problem related to singly reinforced beam by limit state method, things are explained with diagrams , easy to understand .
Design of Beam- RCC Singly Reinforced BeamSHAZEBALIKHAN1
Concrete beams are an essential part of civil structures. Learn the design basis, calculations for sizing, tension reinforcement, and shear reinforcement for a concrete beam.
Prepared by madam rafia firdous. She is a lecturer and instructor in subject of Plain and Reinforcement concrete at University of South Asia LAHORE,PAKISTAN.
Cross Section Analysis And Design is a powerful application that can perform a wide range of cross section calculations, including the design of reinforced concrete sections. The given cross sections are built up of one or more geometric entities and can be drawn directly using the versatile featured user interface. The user can also import standard steel sections from a complete shape library according to all major codes (AISC, Australian-New Zealand, BS, Chinese, European, Indian, Aluminum etc.) There are no limitations regarding the shape, materials or loads of a section, since the program can handle any arbitrary cross section under biaxial bending and axial loads. Among its capabilities, Cross Section Analysis And Design can calculate all sectional properties, plot Moment – Curvature and Interaction diagrams, estimate the location of neutral axis under given sets of biaxial loads and plot the corresponding stress – strain diagrams as well as the resulting stress contours. The last -named items can also be calculated by providing the location of the neutral axis plane on the section. Moreover, the program fully complies with all major codes concerning reinforced concrete sections (AASHTO, UBC, AS 3600, IS 456, ACI 318, BS 8110, CSA A233, EC2, NZS 3101 and CP 65). The user can also perform a reinforcement design according to above listed codes, plot the matching interaction diagrams etc., or even check a given reinforcement amount for the specified load cases. The stress – strain curve of concrete, reinforcement and other materials is specified as per the defined Analysis Parameters Sets. Thus calculations can be performed for many design situations, such as Ultimate/Serviceability or custom defined Limit States, with an automatic adjustment of the material properties, safety factors etc. A large material library is also available according to almost all concrete/reinforcement material specifications. Apart from concrete and reinforcement materials, the user can specify custom linear, bilinear, trilinear parabolic or fully general materials.
As-salamu alaykum
Welcome to the presentation on “T Beam Design: Singly & Doubly by USD method” Presented By -
S. M. Rahat Rahman
ID: 10.01.03.104
1.Contents :
USD (Ultimate Strength Design Method)
T-beam
T - Beam acts Like Singly Reinforced Beam
T – Action vs rectangular Action
Effective Flange width of t-beam
Strength analysis
Nominal moment for t section
2. USD : Based on the ultimate strength of the structure member assuming a failure condition , due to concrete crushing or yielding of steel. Although there is additional strength of steel after yielding (strain hardening zone) which will not be considered in the design.
Actual loads are multiplied by load factor to obtain the ultimate design loads. ACI code emphasizes this method.
3. T Beam : For monolithically casted slabs, a part of a slab act as a part of beam to resist longitudinal compressive force in the moment zone and form a T-Section. This section form the shape of a "T“ . It can resist the longitudinal compression
4. Occurrence and Configuration of T-Beams
• Common construction type
• The slab forms the beam flange, while the part of the beam projecting below the slab forms is what is called web or stem.
5. Singly Reinforced Reinforcement is provided in tension zone only
6. Doubly Reinforced > Concrete can not develop the required compressive force to resist the maximum bending moment
> Reinforcement is provided in both compression and tension zone.
7. T-Beam Act As a Singly Reinforced Beam
8. Continuous T Beam :
When T-shaped sections are subjected to negative bending moments, the flange is located in the tension zone. Since concrete strength in tension is usually neglected in strength design, the sections are treated as rectangular sections.
On the other hand, when sections are subjected to positive bending moments, the flange is located in the compression zone and the section is treated as a T-section.
9. Effective Flange Width
10. Strength analysis of T beam
11. Analysis of T beam
12. T Beam moment calculation
Prepared by madam rafia firdous. She is a lecturer and instructor in subject of Plain and Reinforcement concrete at University of South Asia LAHORE,PAKISTAN.
this slide will clear all the topics and problem related to singly reinforced beam by limit state method, things are explained with diagrams , easy to understand .
Design of Beam- RCC Singly Reinforced BeamSHAZEBALIKHAN1
Concrete beams are an essential part of civil structures. Learn the design basis, calculations for sizing, tension reinforcement, and shear reinforcement for a concrete beam.
Prepared by madam rafia firdous. She is a lecturer and instructor in subject of Plain and Reinforcement concrete at University of South Asia LAHORE,PAKISTAN.
Cross Section Analysis And Design is a powerful application that can perform a wide range of cross section calculations, including the design of reinforced concrete sections. The given cross sections are built up of one or more geometric entities and can be drawn directly using the versatile featured user interface. The user can also import standard steel sections from a complete shape library according to all major codes (AISC, Australian-New Zealand, BS, Chinese, European, Indian, Aluminum etc.) There are no limitations regarding the shape, materials or loads of a section, since the program can handle any arbitrary cross section under biaxial bending and axial loads. Among its capabilities, Cross Section Analysis And Design can calculate all sectional properties, plot Moment – Curvature and Interaction diagrams, estimate the location of neutral axis under given sets of biaxial loads and plot the corresponding stress – strain diagrams as well as the resulting stress contours. The last -named items can also be calculated by providing the location of the neutral axis plane on the section. Moreover, the program fully complies with all major codes concerning reinforced concrete sections (AASHTO, UBC, AS 3600, IS 456, ACI 318, BS 8110, CSA A233, EC2, NZS 3101 and CP 65). The user can also perform a reinforcement design according to above listed codes, plot the matching interaction diagrams etc., or even check a given reinforcement amount for the specified load cases. The stress – strain curve of concrete, reinforcement and other materials is specified as per the defined Analysis Parameters Sets. Thus calculations can be performed for many design situations, such as Ultimate/Serviceability or custom defined Limit States, with an automatic adjustment of the material properties, safety factors etc. A large material library is also available according to almost all concrete/reinforcement material specifications. Apart from concrete and reinforcement materials, the user can specify custom linear, bilinear, trilinear parabolic or fully general materials.
information on types of beams, different methods to calculate beam stress, design for shear, analysis for SRB flexure, design for flexure, Design procedure for doubly reinforced beam,
This unit covers Types of stresses & strains,
Hooke’s law, stress-strain diagram,
Working stress,
Factor of safety,
Lateral strain,
Poisson’s ratio, volumetric strain,
Elastic moduli,
Deformation of simple and compound bars under axial load,
Analysis of composite bar with varying cross section.
Sheryar Bismil
Student of Mirpur University of Science & Technology(MUST).
Student of Final Year Civil Engineering Department Main campus Mirpur.
Here we Gonna to learn about the basic to depth wise study of Plan Reinforced Concrete-i.
From basis terminology to wide information about the analysis and design of Concrete member like column,Beam,Slab,etc.
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5. Singly Rectangular Beam
A Beam is any structural member
which resists load mainly by bending.
Therefore it is also called flexural
member. Beam may be singly
reinforced or doubly reinforced. When
steel is provided only in tensile zone
(i.e. below neutral axis) is called
singly reinforced beam.
6. Assumptions for
DesignofMembers by Working
Stress Method
Plane sections before bending remain
plane after bending.
Normally, concrete is not considered for
taking the tensile stresses except
otherwise specifically permitted.
Therefore, all tensile stresses are taken
up by reinforcement only.
The stress-strain relationship of steel
and concrete is a straight line under
working loads.
13. Doubly Reinforcement
beam
If a beam cross section is limited
because of architectural or other
considerations, it may happen that the
concrete can not develop the
compression force required to resist
the given bending moment, in this
case ,reinforcement is added in the
compression zone, resulting in so
called Doubly reinforced beam
.i.e., one with compression as well as
tension reinforcement.
14. Why Doubly reinforcement
used
If concrete can not develop the
required compressive force to resist
the maximum bending moment, then
additional reinforcement is provide in
the compression zone.
Reinforcement is provided in both
compression and tension zone.
16. Development of moment
In stress distibution,the design
moment is more than the balanced
moment of resistance of the section,
M = M1 + M2
The additional moment M2 is resisted
by providing compression
reinforcement As’
and additional tensile reinforcement
As2
18. Reinforcement in Beam
The total tensile reinforcement Ast
has two components As1+As2 for M1
and M2
The equation of Ast,
Ast=As1+As2
Where, As1=
(bd/100)
And
As2 = M2/[Ó (d-d’)]
compressive
reinforcement,
19. Clear cover for design
Not less than 1.5 in. when there is
no exposure to weather or contact
with the ground
For exposure to aggressive weather
2 in.